| Customization: | Available |
|---|---|
| Electricity Type: | Vacuum |
| Number of Pole: | 3 |
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| Specification |
unit | 12/400 12/630 |
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| Rated Voltage(Ur) | kV | 7.2kV 12kV | |||||||||
| Rated Current(Ie) | A | 160 | 250 | 400 | 630 | ||||||
| Rated Making capacity(Im) | kA | 1.6 | 2.5 | 4 | 6.3 | ||||||
| Rated breaking capacity(Ic) | kA | 1.28 | 2 | 3.2 | 5.04 | ||||||
| Rated withstand overload current and time | kA/s | 2.4/1 | 3.75/1 | 6/1 | 9.45/1 | ||||||
| Rated short-time withstand current(Ik) | kA | 1.6 | 2.5 | 4 | 6.3 | ||||||
| Rated peak withstand current(Ip) | kA | 4 | 6.25 | 10 | 16 | ||||||
| Rated short circuit duration(tk) | s | 4 | |||||||||
insulation level |
power frequency withstand voltage | Fracture | kV | 42 | |||||||
| Interphase | kV | 42 | |||||||||
| Ground | kV | 42 | |||||||||
| lightning impulse withstand voltage (peak) |
Fracture | kV | 75 | ||||||||
| Interphase | kV | 75 | |||||||||
| Ground | kV | 75 | |||||||||
| Main circuit contact resistance | μΩ | ≤200 | ≤200 | ≤200 | ≤150 | ||||||
| Rated operating frequency | Times/h | 600 | |||||||||
| Mechanical locking operation frequency | Times/h | 60 | |||||||||
Mechanical durability (mechanical life) |
Million times |
100 (For mechanical locking models, the lock device needs to be replaced every 300,000 times) |
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Electrical durability (electric life) |
AC3 |
Million times |
25 (closing current 6Ie breaking current 1Ie) |
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AC4 |
Million times |
6 (closing current 6Ie breaking current 6Ie) |
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